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• Organization: U.S. Environmental Protection Agency
• Updated: 2015-11-16 | Harvested: June 27, 2025 at 08:36 PM

Chemical concentrations, exposures, health risks by census tract for the United States from National Scale Air Toxics Assessment (NATA). This dataset is associated with the following...

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• Organization: U.S. Environmental Protection Agency
• Updated: 2016-07-20 | Harvested: June 27, 2025 at 08:45 PM

Chemical concentration, exposure, and health risk data for U.S. census tracts from National Scale Air Toxics Assessment (NATA). This dataset is associated with the following publication: Huang,...

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• Organization: National Aeronautics and Space Administration
• Updated: 2025-07-17 | Harvested: July 18, 2025 at 05:51 PM

This data set contains visible-wavelength (0.435-0.925 micron) spectra for 1341 main-belt asteroids observed during the second phase of the Small Main-belt Asteroid Spectroscopic Survey (SMASSII)...

• Organization: National Aeronautics and Space Administration
• Updated: 2025-07-17 | Harvested: July 17, 2025 at 07:48 PM

This data set contains low-resolution (R~150) near-infrared (0.7-2.5 microns) spectra of 90 main belt asteroids observed with the SpeX instrument on the NASA Infrared Telescope Facility (IRTF) on...

• Organization: National Aeronautics and Space Administration
• Updated: 2025-07-17 | Harvested: July 18, 2025 at 05:39 PM

This data set contains low-resolution (R~150) near-infrared (0.7-2.5 microns) spectra of 90 main belt asteroids observed with the SpeX instrument on the NASA Infrared Telescope Facility (IRTF) on...

• Organization: National Aeronautics and Space Administration
• Updated: 2025-07-17 | Harvested: July 17, 2025 at 06:16 PM

This dataset contains the visible spectra of 820 asteroids obtained between November 1996 and May 2001 at the 1.52m telescope at ESO (La Silla). The useful spectral range is between about 4900 and...

• Organization: National Aeronautics and Space Administration
• Updated: 2025-07-17 | Harvested: July 18, 2025 at 05:55 PM

This dataset contains the visible spectra of 820 asteroids obtained between November 1996 and May 2001 at the 1.52m telescope at ESO (La Silla). The useful spectral range is between about 4900 and...

• Organization: National Aeronautics and Space Administration
• Updated: 2025-07-17 | Harvested: July 17, 2025 at 06:32 PM

This data set contains low-resolution (R~150) near-infrared (0.7-2.5 microns) spectra of 90 main belt asteroids observed with the SpeX...

• Organization: U.S. Environmental Protection Agency
• Updated: 2017-09-07 | Harvested: June 27, 2025 at 08:56 PM

These files represent the state and regional summaries of sensitivities to formaldehyde, acetaldehyde and ozone to various sources and compounds. This dataset is associated with the following...

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• Organization: National Aeronautics and Space Administration
• Updated: 2025-07-17 | Harvested: July 18, 2025 at 06:39 PM

This data set contains visible-wavelength (0.435-0.925 micron) spectra for 1341 main-belt asteroids observed during the second phase of the Small Main-belt Asteroid Spectroscopic Survey (SMASSII)...

• Organization: National Aeronautics and Space Administration
• Updated: 2025-07-17 | Harvested: July 17, 2025 at 05:20 PM

This data set contains visible-wavelength (0.435-0.925 micron) spectra for 1341 main-belt asteroids observed during the second phase of the Small Main-belt Asteroid Spectroscopic Survey (SMASSII)...